John C. Yannopoulos

NM Newmont Mining: 1 patents #4 of 16Top 25%

📍 Danbury, CT: #400 of 826 inventorsTop 50%

🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%

Overall (All Time): #2,359,578 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4470845	Continuous process for copper smelting and converting in a single furnace by oxygen injection	—	1984-09-11
4274870	Smelting of copper concentrates by oxygen injection in conventional reverberatory furnaces	—	1981-06-23